Solve for the indicated variable.A = 
, for r
Express the answer using ln.
A. r = 
B. r = ln 
C. r = 
D. r = ln 
Answer: C
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Solve the problem.How much work does it take to slide a box 36 meters along the ground by pulling it with a 139 N force at an angle of 31° from the horizontal?
A. 5004 joules B. 119.1 joules C. 4289 joules D. 4577 joules
For the function shown in the graph, find the indicated function value and limit.Find f(1) and
f(x).
A. Does not exist; 4 B. Does not exist; does not exist C. Does not exist; 1 D. 4; 4
Graph the polar equation.r = 6 cos 6?
A. 
B. 
C. 
D. 
Consider only the discriminant, b2 - 4ac, to determine whether one real-number solution, two different real-number solutions, or two different imaginary-number solutions exist.x2 - 8x + 16 = 0
A. Two different imaginary-number solutions B. Two different real-number solutions C. One real solution